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10 tháng 11 2018

Đáp án D

Gii thích: give out (ph.v) ta ra (khí)

10 tháng 10 2018

Đáp án D

Gii thích: In turn: đem li kết qu nàđó

11 tháng 8 2017

Đáp án B

Gii thích: to bring benefit: đem li li ích = It pays to say……

18 tháng 7 2017

Đáp án C

Gii thích: Ta thđằng sau câu hi là also tc là b sung nghĩa cho vế trước nên chn “as well as”

25 tháng 10 2019

Đáp án C

Gii thích: On a scale: trên mt phm vi, quy mô

Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes harm ecosystems. If there is too (1)____ rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals that feed on it may also die or move away. Some changes are good for ecosystems. Some pine forests need fire for the pine trees to reproduce. The seeds are sealed inside pinecones. Heat from a forest fire melts the seal and lets...
Đọc tiếp

Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes harm ecosystems. If there is too (1)____ rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals that feed on it may also die or move away. Some changes are good for ecosystems. Some pine forests need fire for the pine trees to reproduce. The seeds are sealed inside pinecones. Heat from a forest fire melts the seal and lets the seeds (2)_____. Polluting the air, soil, and water can harm ecosystems. Building (3)_______ on rivers for electric power and irrigation can harm ecosystems around the rivers. Bulldozing wetlands and cutting down (4)________ destroy ecosystems. Ecologists are working with companies and governments to find better ways of catching fish, cutting down trees, and building dams. They are looking for ways to get food, lumber, and other products for people (5)________ causing harm to ecosystems

Điền vào số 3

A. hills

B. forests

C. jungles

D. woods

1
2 tháng 8 2017

Đáán B

Gii thích: A: đồi

B: rng

C: sui

D: cánh rng

Dch: Sam bng đất ngp nước và cht phá rng phá hy h sinh thái.

Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes harm ecosystems. If there is too (1)____ rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals that feed on it may also die or move away. Some changes are good for ecosystems. Some pine forests need fire for the pine trees to reproduce. The seeds are sealed inside pinecones. Heat from a forest fire melts the seal and lets...
Đọc tiếp

Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes harm ecosystems. If there is too (1)____ rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals that feed on it may also die or move away. Some changes are good for ecosystems. Some pine forests need fire for the pine trees to reproduce. The seeds are sealed inside pinecones. Heat from a forest fire melts the seal and lets the seeds (2)_____. Polluting the air, soil, and water can harm ecosystems. Building (3)_______ on rivers for electric power and irrigation can harm ecosystems around the rivers. Bulldozing wetlands and cutting down (4)________ destroy ecosystems. Ecologists are working with companies and governments to find better ways of catching fish, cutting down trees, and building dams. They are looking for ways to get food, lumber, and other products for people (5)________ causing harm to ecosystems

Điền vào số 3

A. moats

B. ditches

C. dams

D. bridges

1
17 tháng 1 2019

Đáán C

Gii thích: A: cái mương

B: cái rãnh

C: cái đập

D: cây cu

Dch: xây dng các đập thđin trên sông và h thng tưới tiêu có th làm hi tưới h sinh thái xung quanh nhng con song.

Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes harm ecosystems. If there is too (1)____ rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals that feed on it may also die or move away. Some changes are good for ecosystems. Some pine forests need fire for the pine trees to reproduce. The seeds are sealed inside pinecones. Heat from a forest fire melts the seal and lets...
Đọc tiếp

Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes harm ecosystems. If there is too (1)____ rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals that feed on it may also die or move away. Some changes are good for ecosystems. Some pine forests need fire for the pine trees to reproduce. The seeds are sealed inside pinecones. Heat from a forest fire melts the seal and lets the seeds (2)_____. Polluting the air, soil, and water can harm ecosystems. Building (3)_______ on rivers for electric power and irrigation can harm ecosystems around the rivers. Bulldozing wetlands and cutting down (4)________ destroy ecosystems. Ecologists are working with companies and governments to find better ways of catching fish, cutting down trees, and building dams. They are looking for ways to get food, lumber, and other products for people (5)________ causing harm to ecosystems

Điền vào số 5

A. avoid

B. without

C. not

D. no

1
10 tháng 9 2019

Đáán B

Gii thích: Without +Ving: ngoài vic

Dch: H đang tìm cách ly thăn, g và các sn phm khác cho con người mà không câu hi cho môi trường.

Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes harm ecosystems. If there is too (1)____ rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals that feed on it may also die or move away. Some changes are good for ecosystems. Some pine forests need fire for the pine trees to reproduce. The seeds are sealed inside pinecones. Heat from a forest fire melts the seal and lets...
Đọc tiếp

Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes harm ecosystems. If there is too (1)____ rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals that feed on it may also die or move away. Some changes are good for ecosystems. Some pine forests need fire for the pine trees to reproduce. The seeds are sealed inside pinecones. Heat from a forest fire melts the seal and lets the seeds (2)_____. Polluting the air, soil, and water can harm ecosystems. Building (3)_______ on rivers for electric power and irrigation can harm ecosystems around the rivers. Bulldozing wetlands and cutting down (4)________ destroy ecosystems. Ecologists are working with companies and governments to find better ways of catching fish, cutting down trees, and building dams. They are looking for ways to get food, lumber, and other products for people (5)________ causing harm to ecosystems

Điền vào số 1

A. little

B. a little

C. few

D. a few

1
16 tháng 11 2018

Đáán A

Gii thích: A little + Danh t không đếđược: 1 ít, mt vài

A few + Danh t đếđược : 1 ít, 1 vài

Little/ few= just a little/ just a few: rt ít, hu như không có

“rainfall” (lượng mưa) là danh t không đếđược

Dch: Nếu quá ít mưa thì cây ci s không có đủ nướđể sng

Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes harm ecosystems. If there is too (1)____ rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals that feed on it may also die or move away. Some changes are good for ecosystems. Some pine forests need fire for the pine trees to reproduce. The seeds are sealed inside pinecones. Heat from a forest fire melts the seal and lets...
Đọc tiếp

Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes harm ecosystems. If there is too (1)____ rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals that feed on it may also die or move away. Some changes are good for ecosystems. Some pine forests need fire for the pine trees to reproduce. The seeds are sealed inside pinecones. Heat from a forest fire melts the seal and lets the seeds (2)_____. Polluting the air, soil, and water can harm ecosystems. Building (3)_______ on rivers for electric power and irrigation can harm ecosystems around the rivers. Bulldozing wetlands and cutting down (4)________ destroy ecosystems. Ecologists are working with companies and governments to find better ways of catching fish, cutting down trees, and building dams. They are looking for ways to get food, lumber, and other products for people (5)________ causing harm to ecosystems

Điền vào số 2

A. out

B. in

C. go

D. fly

1
7 tháng 1 2017

Đáán A

Gii thích: Let smt out: đưa cái gì ra ngoài

Dch: hơi nóng t đám cháy rng làm tan chy nón thông và đưa ht ra ngoài